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The large number of alveoli provides ample space (surface area) for oxygen and carbon dioxide exchange

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the Vehicle has not been stolen, recovered or subject to an Insurance Write Off Event

Text prints stay clear and sharp

Funding This work was supported by the National Natural Science Foundation of China (81970026, 82000029), China Postdoctoral Science Foundation (2023M730799), Chengdu High-level Key Clinical Specialty Construction Project (ZX20201202020), Chengdu Science and Technology Bureau (2021-YF09-00102-SN), Sichuan provincial administration of traditional Chinese medicine (2020JC0118, 2020LC0212)